> that audiotape, like many others, was found later in the radio room of jonestown recovered by the fbi. >> i will see you in the grave, many of you. >> by now jones was deep into drugs himself. an autopsy would show so much barbiturate abuse it should have killed him. church member verne gosney. >> i do know what a person sounds like when they are very impaired from either drugs or alcohol, and he was. at one point he actually needed help walking. >> the day before congressman ryan arrived, jones said this. >> i'm going to shoot them in the ass so bad for so long that i'm not passing this opportunity up. i don't care whether i see christmas or thanksgiving, neither one. they don't either. >> when ryan entered jonestown that friday, leslie wilson was waiting for the first chance to run away. >> i remember going to the kitchen and grabbing a butcher knife and sticking it down the front of my pants. ♪ that's the way of the world >> jonestown put on a musical extravaganza that first night in this open-air pavilion. ♪ >> an nbc news camera team accompanied congressman ryan. you're watch